select the correct statement (s) : A sol is prepared by addition of excess of AgNO_(3) solution in Kl solution . The charge likely to develop on colloidal particle is positive, the effects o pressure on physical adsorption is high if temperature is low, Ultracentrifugation process is used for preparation of colloids, Gold number is the index for extent of gold plating done.
Write Freundlich adsorption isotherm at high pressure.
Which adsorption takes place at low temperature?
Why fruits and seeds are stored at low temperature?
Discuss the effect of pressure and temperature on the adsorption of gases on solids.
What is the effect of high pressure on the structure of ionic solid ?
Fossil fuels are formed when the temperature is low.
select the correct statement (s): physisorption is favored by low temperature chemisorption is favored by very high temperature because the process is endothermic chemisorption increase with increases in temperature owing to high activation energy, Oxygen adsorbed by charcoal can be desorbed by lowing pressure and temperature.